Gang-plow



1. B. BARTHOLOMEW.

GANG PLOW.

APPLICATION FILED MAY 4, 1917.

Patented Oct. 25, 1921.

4 SHEETS-SHEET l.

1,395,216, Patented oct. 25, 1921.-

4 SHEETS-SHEET 2.

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GANG PLOW.

APPucATloN FILED MAY 4. 1917.

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J. B'. BARTHOLONIEW.

GANG PLOW.

APPLICATION FILED MAY4,1917.

Patented Oct. 25, 1921.r

4 SHEETS-SHEET 3.

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APPLICATION FILED MAY 4, 19|?.

1,395,216. Patented Oct. 25, 1921.

4 SHEETS-SHEET 4.

UNITED STATES PATENT OFFICE.

JOHN B. IBARTHOLOMEW, 0F PEORIA, ILLINOIS, ASSIGNO'R TO AVERY COMPANY,0F PEORIA, ILLINOIS, A CORPORATION 0F ILLINOIS.

GANG-PLOW.

Original application filed October 12, 1916, Serial No. 125,288.

Specification of Letters Patent.

1917. Serial No. 166,368.

To @ZZ w hom t may concern.'

Be it known that I, JOHN B. BARTHOLO- MEW, a citizen of the UnitedStates,v residing at Peoria, in the county of Peoria and State ofIllinois, have invented certain new and useful Improvements inGang-Flows, of which the following is a specification, reference beinghad therein to the accompanying drawing.

This invention relates to improvements in gang plows and especially toimprovements in gang plows in which the furrow-forming elements aredisks. It will be understood, however, that my invention is notnecessarily so limited.

In my application, Serial No. 125,288, originally filed May 15, 1913,renewed October 12, 1916, of which the present application is adivision, I illustrated and described a plowing mechanism in which thepresent improvements can be embodied, upon which application LettersPatent 1,227 ,237 were issued May 22nd, 1917.

The object is to provide means for supporting the frame that carriesthel disks which will permit the disk-carrying element to be readilyguided when in operation and y also to be readily lifted out of plowingposition. The frame has an inclined draft-'bar for attaching the disksin diagonal-series, and it is supported at the front end upon theguiding or steering devices, and supported at the rear in such a waythat it can be raised first at the rear end, and afterward at the frontend, on the guiding and steering devices.

Other objects will be apparent from the following description:

In the accompanying drawings `I have shown the embodiment of myinvention which I now deem preferable. It will be understood, however,that numerous changes and modifications may be made.

0f the drawings: Figure 1 is a plan view of the entire plow; Fig. 2 is aside elevation; Fig. 3 is a rear elevation; Fig. 4s is a fragmentaryside view, partly viu section, of the forward right-hand supportingwheel and associated parts;

Fig. 5 is a fragmentary diagrammatic plan view of one of the rearsupporting wheels and associated parts;

Fig. 6 is a fragmentary diagrammatic rear` elevation of the parts shownin 5 with vthe frame in normal operative position;

Fig. 7 is a view similar to Fig. 6, but showing the frame in elevatedposition;

Fig. 8 is a fragmentary sectional view taken along the lines 8-8 of Fig.1;

Fig. 9 is a fragmentary sectional View taken along lines 94-9 ofFigs. 1and 8; and

Fig. 10 isa fragmentary diagrammatic view of the lifting cams taken fromthe right-hand side of the machine Referring to the drawings, it will benoted that the main frame as shown, comprises two.

principal parts, 1 and 2. As to the details of `these frame parts, theremaybe variations, but in the construction shown the forward part, l,comprises a front cross bar 3, and the side bars 4 and 5. *The side bar4 extends rearward throughout a part of its l length and is then bentinward to form the diagonal member 4a.` The side baro extends rearwardfora short distance and is theny bent inward to form the diagonalelement 5.

The rear ends of the diagonal elements it` ,i

are joined at 6.

The rear frame section 2 comprises a forward member 7 which isydiagonally positioned parallel to the diagonal element- 4 of the frontframe. .The frame section 2 also has a diagonal element l8 which isconnected at its forward end to the rear end of the element 7 and whichis positioned parallel to the element 5a of the front frame. A strut orbrace'9 connects the forward end of the element7 with the rear part ofthe element 8.

The two frame sections are ieXibly con.- nected together by means ofhinge devices at 10 and 10'. q

lVhile I have shown in the drawings but two frame sections, it will beunderstood that a larger number of sections may be used if founddesirable.

in any well-known or preferred manner," andf as lthis feature of themechanism formano part of my present invention, detailed description canbe omitted; As showinthe Y The manner of con-Q V,structing `andconnecting 'such additional frame sections will be readily apparent.

, the bracket. Y Thisl mechanism will be berief matter described in.detail. For preventingV disks 11-11 are provided with scrapers 13-13,ybut asr to this feature also, there can be variation. ln fact,- so tarascertain features of my invention are concerned, the

disks may be omitted entirely and plowing, elements of the moldboardtype substituted.

For supporting; the 'forward corner ot the front trame section.y whichAis opposite to theplowingelements, l provide a ground Wheel larigidlyrsecured to a rotatable shaft 15. This shaft 15 is mounted inbearing 167 secured; to the i't'rame member il, and in a bearing 17secured tov a supplementary frame member 18. which extends 'from thefront member 3, rearward, to the; point of connection between themembers 1ra-and 5a. For supporting` the opposite forward corner for"vthe front traine section.' l provide ya vground wheel 119, whichisloosely ,mouirted on theaxle 29 andwhich isor'mav be provided with aground cutting flange as shown in Figs. 1 and 1. This wheel isfarrangedto runon the toploi' theQland in advance olI thefplows and at adistancefrom the'pre'l viously plowed',qrouiid.` The axle QOfisconnected with the vertical-spindle 21, vwhich is verticallyslidable inay bearing'` aperture in aY pedestal 22, secured: tothe Vtraine ele-vment 5. liliechanism is providedtor moving'.

the spindle 21. together with, the axle l20 andthewheel. 19.- verticallywith respect-4to the axle V2,0 andfthe wheel 19 trom swinging about the,axis oi the spindle 2.1, l provide the `link o1- strut23, which can beadiusted i in length lbymeansoic `the turnbuckle 24.

does or may eiierta pull on slightly. swing the wheel forward. but'tliis1n thiswaythe yaxle 2QA can be moved3V and the angle` oi' thewheelpwithrespect to the line ot drajafean be varied as desired*y The lifting otthe frame relative .to the wheel 19 the link 23 Yto movement will .notbe ot: Agreat extent and will` not interfere with the handling; ot themachine. The aclnistmentlbytlie turnbuckle V24k` will be suchas tomaintain the` wheel in the desired position during plowing.

` For siupporting` the rear part oi the front frame.section:` lvprop/ide the third lground wheel 255 which is .positioned at anlangle'to theverticalmand so locatedtliat it isadapted to travel inthefurrow formed by the last disk on the front frame section. rliis wheel25 is mounted. onian` axle Qtrwhichpis connected to the verticalVspindle 2.` This spindle 27. is slidable in a vertical bearing aperturein a pedestal ,28. "which is secured to the.v lframe by :means oithebracket. 29.

lnftheform shownithis bracket 29 is an ei;- tension of the-bracket 12for the rear disk.

-ifisV to: thisV feature.v there canfbe variation.

Prefei'ably'the bracket 29 is rein'forcedby thefbar indicated Vat 30.The spindle 27, togetherwith tliefaxle 26 andthe ,wheel 25,

Vendet` a threaded rod 36.

`canbeY moved vertically vwith respect to the fram@ by means ofmechanisms similar to that for the spindle 21. This mechanism Vwill bedescribed later.

h Theforward parts of the rear Aframe section vQ'are supported by meansoit the hinges 10 Vand 10a which connect them to the front trame'.section. The rear part ot the rear :trame sectionris supportedby meansoil a- `around wheel 31, which is mounted by means of ian aXle 32 and a.spindle. 33, similar respectively to the parts 26 and 27. The spindle 33is mounted in a pedestal 34 which iS similar tothe pedestal 28 and issimilarly secured to the trame section. The wheel 31 can be ,movedvertically with respectV to the ramesection by mechanism to bedescribed.,

Secured to each otv the fpedestals 225` 28 and 34;,is a horizontallyextending'. arm 35 to which is pivotally connected-,thelower 37 is ayoke which is slidable `on the rod 36 and which can be adjusted bymeansf of thethreaded handV wheel 38. 39 isa.L lever which is biiurcated*aty itsrearend andembraces thevsleeve 40 secured to the upper endy ofthe spindle.V

The lever is pivotedto the sleeve at 11.*V The rear end of the lever ispivoted at 2te the yoke 37, vand a lug on the sleeve LlOserves Y tolimit the Vmoven'ient of the lever in one direction F rom the'foregoing` description it will be obvious that the downward move mentVor the-forward `end of the lever will cause a correspondingdownwardmovementof the spindle Vand oi the wheel and axle with respect.to the pedestal- However; as Vthe wheel isA in Contact with thelground; the

result will be aV littingof the pedestal andof the adjacent frame partswith respectV tothe wheel.V The relativev positions of the wheel and ofthe. frame partsjcan be adjusted by means of the vhand wheell 38.. Forholding` the pedestal and frameparts in liftedposi# tions,1 provide aspring` held latch 14C which is adapted toengrage a suitablelug' on` thesleeveaO.' Eaclr latch 44 l.is held by its inoperative l position7V asvdesired by the operator. lWhen it is'desired tohold the disks inelevated springeither in operative ror position. the latches'ajgerinanually thrown into` theirl operative positions. I U

The controlling lever 'for the iront` wheel 19 is indicated, beiporenoted. by'39. The. lever tor the middle wheel 25 is ,indicateddisk.

gang plows, ySerial No. 671,955, filed January 18, 1912.

Referring in detail to the lifting mechanism, 45 is a short jack shaftparallel to the shaft 15, upon which the ground wheel 14 is mounted.Loosely mounted on the jack shaft 45 is a sprocket wheel 46 in line witha sprocket wheel 47 on the shaft 15. A chain 48 passes over these twowheels. Secured to the sprocket wheel 46 is a notched or serrated disk49, and ad] acent to this disk and keyed to the shaft 45 is a largecircular disk 50 formed at one point in its periphery with aroundednotchl. Adog52ispivotallymounted on the disk 50. The head of thedog carries a laterally extending roller 53 arranged to engage with thenotched periphery of the disk 49, and a spring 54 which is interposedbetween the hub of the disk 49 and the dog 52, tends to press the roller53 into engagement with the disk 49. A lever 55 is pivotally mounted onthe bearing bracket 56 beneath the disk 49 and carries a roller 57adapted to ride upon the periphery of said The lever also carries theroller 58 which is disposed in the plane of the dog 52. 59 is a coilspring interposed between the end of the lever 55 and an extension 60 ofthe bearing bracket 56, and tends to press the roller 57 radially inwardagainst the disk 50. The upper endA of the lever 55 has connected to ita rope or cord 61, which extends forward to some convenient point withinthe reach of the operator.

Byreferring to Fig. 8 it will be seenv that when the roller 57 lieswithin the notch 51 in the disk 50, the roller 58 is in position toengage the rounded back or tail of the dog 52 and swings the dog on itspivot so that the roller 53 is withdrawn from engagement with thecontinuously rotating notched disk 49. If now the driver pulls on therope 61 to swing the upper endof the lever 55 forward, the rollers 57and 58 will be swung downward and the spring 54 will expand and causethe dog 52 to swing the roller 53 into engagement with the rotating disk49.

In this way a4 driving connection is effected between the disk49 and thedisk 50, so that the rotation of the former is transmitted to thelatter.

Therotation of the disk 50 causes the notch 51 to be immediately movedaway from the roller 57 so that when the rope 61 is released by thedriver'and the spring 59 tends to return the lever 55 to its initialposition, such a return is prevented by the engage ment of kthe roller57 with the circular periphery of the disk 50. But as the disk 50 nearsthe end of its revolution, the roller 57 rines suddenly into the notch51 under the action of the spring 59, and in this movement the roller 58is caused to strike the tail of the dog 52 and to cause thedisengagement of the roller 53 from the disk 49.

sprocket wheels 62 and 63. This shaft 64 is mounted in suitable bearingssecuredto the brackets 65, 66 and 67 mounted on the front member` 3 ofthe frame. The ratio `between the diameters of the sprocket wheels 62and 63 is such thattheshaft 64 is given a half revolution for everycompleterevolution of -the shaft 45. Each of the brackets 65, 66

and 67 is formed in two parts, and between the parts of the severalbrackets there are mounted cams 68, 69 and 70. Pivoted to the forwardouter ends of the brackets 65, 66 and 67 are levers 71, l72 and 73whichcarry rollers 74, and 76 adapted to engage, respectively, with the cams68, 69 and 70. Connectedl to the rear end of the lever 71 is a chain 7 7which extends over a suitable pulley 78 and is connected 'tothe spindle21. A chain 79 isfconnected to the rear end of the lever 72. This chainyextends over suitable pulleys 80 and 81 and is connected t0 the lever39a for the wheel 25; A chain 82 is connected to the rear end of theleverl 73. This chainextends over suitable pulleys 83, 84 and 85, and isconnected to thelever 39b for the rear wheel 31.

Each of the cams 68, 69 and 70 is formed with anactivelifting portion86, an inactive sustaining portion 87 'and an` inactive dropping portion88. y It will therefore be clear that as each cam` rotates, it engagesthe corresponding roller to swing the correl' spondingI lever andmovethe corresponding wheeldownward withrespect tothe frame. After themovement of the lever is once effected, the leverwill beheld in liftedposition during the next succeeding part of the rotation of the cam.- fUpon further rotation of the cam,tthe lever will be released andpermitted to returntothe lower position. as shown in Fig. 2. t nThe'cams 68, 69 and L 76 are,` regularly spaced on the shaftso' thatduring rotation the cam 68 first comes into action,'then the cam 69, andfinally the cam 70. f It willbe tion the rollers are still`- engaged bythe cams, andthe frame parts andfpl'owing eleiwi . a frame, a series "ofplowing disks connected to the frame, two wheels arranged tol runY onthe top of the land'ffor, supporting the ments are maintained in lifted:positions. During., the next: half-revolution the cams successivelydisengage the rollers and per,-

niit the levers to move and release the frame Vparts'. and plowing.elements, and; permit` them to return successively toV plowing position.

lhe plow, as a whole, can beliauled iny 'any approved/manner, as bymeansV of a suitable tractor, orl tractor engine.' ,Y Chains `ilow; Tofacilitate the turning of the lowl l g z: 7 as a whole, at the endsofthe furrows, or

at the corners of a elch'the wheels 25 andl 3l are so inounted'that'they can swing lateeriallyvwlien the fraine sections are inliftedpositions. lt will be noted that lugs 90V andare provided whichserve to hold the ections are in plowing position.` However,

mentV of the wheels is therefore possible.

As before pointed out, the wheel 19 can be 4adjusted `so 'as to tendto'a greater orV `less extent toVV move tlie'plow laterally and to` holdthe plowing elements upftoV their werk. Y t

llfhat lclaim is: Q '1. ln agang plow, the combination forward parts tofthe'frarne, the extreme front disks formingvfurrows outside ofboth landwheels, and arrangedto rise and fall in -liorizontal f parallelism withthe rear disks, a wheel for supporting the rear parts,

' frame, a series of plowing disks connected to the frame, two`wheelsarrangedto run onthe topy of the land for supportingtlie forward partsoff the frame, the eXtreme front disks forming furrows outside offboth'land wheels, and arranged toriseand fall inV` horizontal parallelism' Ywith the rear disks,a wheel for supporting the rear parts of the frame,means for moving the frame upward and .downward with respect to the rearwheel and one forward wheel, and

means for adjustinghthe last said forward wheel angularly and-'holdingitin adJusted Y position. g,

3. In a gang plow, thecoinbination of a frame comprising a plow beam, aseries of plow disks attached to said beam, a ground wheel arranged atithe land side of the front part offsaid frame and acting to support thelatter and also,l as a source of power, a

lground and? Vfrainesupporting rear furrow are provided forthe haulingof the i, iheels against swinging when the frame vinse lugsdisengagerthe vwheels when'the ii'aniegsections are lifted and freemove-- wheel' movably connected with therear part of .said frame, aground and frame-supportv ing wheel arrangedy near the'furrow side ofthelfron't part of the frame in advance of the plow disks and at adistance from the edge of-'tlie `previously plowed ground and runningonthe top of the land, means for adjusting and holding the lastmentioned 'wheel angularly with respect to the'line of draft, andpowerconnections from. said power gi'oiind-wheelto the said' beam tolift. the same atl will; f

4l. ln a gang plow, the combination ofia frame 'comprising a plurality.of? plow beams a series: ofi'diagonally and succes-r sively arrangedplow disksl attachedto each.'V ori said beams, a ground wheel'` arrangedl at the land side of the front part of said" frame and. acting.y to ysupport the' latter and also-va source ofpower,V ground and`frame-supporting rear wheel movably connected withItherea-i"part of eachofi said?y beanisand arranged te travel inV a'furrow, a ground and?franie-supporting: wheel arrangednear the furrow side of the front partof; the4 frame in advanceV of the plow-l` disks, aiidfatV a distancefrom the edge` of' thel previously plowed ground, and runningV on-.t-hetop of. the land, means for adjusting and!` holding the last mentionedwheel an:-

gularlywith respect to the line of draft, and lpower connections fromsaid power ground wheel". tothe said beams to lift'the same successivelyatf'willf. Y

5. In: a gang` plow, theco-mbination of a frame, a seriesofplow disksdiagonally and sucoessiiely arranged 'and attached to said fi*anie,- aground wheel arranged atl the 'land side offtheifrontlpart of saidfraineand act ing to support the latter and also as a sourcel of power, aground and'fraine-supp'orting rear wheel movably connected with ytheVrear part Voffsaid frame. and arranged to trarelin a furrow,a groundfandframe-supporting wheel arranged near. the furrow side ofthe front partof the frame in ad- Vancel of the plow disks and at a distance fromthefedge ofthe previously plowed ground and running on the top of theland', inea-nsfor adjusting and holding'vthe last mentioned wheel`angularly with respecty to the` line of draft, and power connectionsfromy said powerfground wheel to the said beam to lift the saine katwill.

6. ln a gang plow,` the combination of a frainecornprising a. plow beam,a series of plowV disksv attached to said beam, a ground: wheel,arranged at the Vland side of the front part of isaidlfraine and actingto sup-V port the latt r, a groundand frame-supportingi rear furrowvwheel moi/ably connected with the rear part ofsaid frame and'-arranged-totravel in afurrow, a ground and frame-supporting wheelarranged near the furrow side ofthe front part of the frameV in advanceof thc plow disks and at a distance from the edge of the previouslyplowed ground and running on the top of the land, means for adjustingand holding the last mentioned wheel angularly with respect to the lineof draft, and power connections extending to said rear wheel to lift theframe at will.

7. In a gang plo'w, the combination of a frame comprising a plow beam, aseries of plow disks attached to said beama ground wheel arranged at theland side of Ithe front part of said frame and acting to support thelatter, a ground and frame-supporting rear furrow wheel movablyconnected with the rear part of said frame and arranged to travel in afurrow, a ground and frame-supporting wheel arranged near the furrowside of the front part of the frame in advance of the plow disks and ata distance from the edge of the previously plowed ground and having aground-cutting flange running in the top of the land, means foradjusting and holding the last mentioned wheel angularly with respect tothe line of draft, and power connections extending to said rear wheel tolift the frame at will.

8. In a gang plow, the combination of a frame comprising a plow beam, aseries of plow disks attached to said beam7 a ground wheel arranged atthe land side of the front part of said frame and acting to support thelatter, a ground and frame-supporting rear furrow wheel movablyconnected with the rear part of said frame, a ground andframe-supporting wheel arranged near the furrow side of the front partof the frame in advance of the plow disks and at a distance from theedge of the previously plowed ground and running on the top of the land,an axle carrying the last mentioned wheel, a Vertical pivot slidable insaid frame and attached to said axle, means for adjusting said axle inhorizontal planes to hold said wheel angularly with respect to the lineof draft, and power connections to the said pivot to lift the frame atwill.

9. In a gang plow, the combination of a frame comprising a plurality ofplow beams, a series of diagonally and successively arranged plow disksattached to each of said beams, a ground wheel arranged at the land'side of the front part of said frame and acting to support the latterand also as a source of power, a ground and frame-supporting rear Wheelm'ovably connected with the rear part of each of said beams and arrangedto travel in a furrow, a ground and frame-supporting wheel arranged nearthe furrow side of the front part of the frame in advance of the plowdisks and at a distance from the edge of the previously plowed groundand running on the top of the land, an axle carrying the last mentionedwheel, a vertical pivot slidable in said frame and attached to saidaxle, means for adjusting said axle in horizontal planes to hold saidwheel angularly with respect to the line of draft, and power connectionsextending to the said pivot and to said rear furrow wheels to lift theframe and plows successively at will.

In testimony whereof, I affix my signature, in presence of twowitnesses.

JOHN B. BARTHOLOMEW. Witnesses:

ANNIE C. EYSTER, ETHEL M. LANE.

